One of the primary difference between prokaryotic cells and eukaryotic cells is

The presence of nucleus is eukaryotic cells that prokaryotic cells lack. And other membrane bound organelles .

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.